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Ethyl 5-oxooctanoate, also known as ethyl 5-oxo-octanoate or 5-oxo-octanoic acid ethyl ester, is a chemical compound with the molecular formula C10H18O3. It is a colorless liquid with a fruity, apple-like odor and is commonly used in the flavor and fragrance industry. This ester is a derivative of 5-oxo-octanoic acid, where an ethyl group is attached to the carboxylic acid group, resulting in a more volatile and pleasant-smelling compound. Ethyl 5-oxooctanoate is often employed in the creation of artificial fruit flavors, particularly apple and pear, and can be found in various food products, beverages, and perfumes. It is generally recognized as safe (GRAS) by the FDA for use in food and is also approved for use in cosmetics and personal care products.

5205-40-3

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5205-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5205-40-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,0 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5205-40:
(6*5)+(5*2)+(4*0)+(3*5)+(2*4)+(1*0)=63
63 % 10 = 3
So 5205-40-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H18O3/c1-3-6-9(11)7-5-8-10(12)13-4-2/h3-8H2,1-2H3

5205-40-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name ETHYL 5-OXOOCTANOATE

1.2 Other means of identification

Product number -
Other names 5-Oxo-octansaeure-aethylester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5205-40-3 SDS

5205-40-3Downstream Products

5205-40-3Relevant academic research and scientific papers

Remote ester group leads to efficient kinetic resolution of racemic aliphatic alcohols via asymmetric hydrogenation

Yang, Xiao-Hui,Wang, Ke,Zhu, Shou-Fei,Xie, Jian-Hua,Zhou, Qi-Lin

supporting information, p. 17426 - 17429 (2015/02/02)

A highly efficient method for kinetic resolution of racemic aliphatic alcohols without conversion of the hydroxyl group has been realized; the method involves hydrogenation mediated by a remote ester group and is catalyzed by a chiral iridium complex. This powerful, environmentally friendly method provides chiral δ-alkyl-δ-hydroxy esters and δ-alkyl-1,5-diols in good yields with high enantioselectivities even at extremely low catalyst loading (0.001 mol %).

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